22002244 has 24 divisors (see below), whose sum is σ = 42428736. Its totient is φ = 9900000.

The previous prime is 22002217. The next prime is 22002257. The reversal of 22002244 is 44220022.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1969 + ... + 6919.

It is an arithmetic number, because the mean of its divisors is an integer number (1767864).

Almost surely, 2^22002244 is an apocalyptic number.

It is an amenable number.

22002244 is a deficient number, since it is larger than the sum of its proper divisors (20426492).

22002244 is a wasteful number, since it uses less digits than its factorization.

22002244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067 (or 5065 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 22002244 is about 4690.6549649276. The cubic root of 22002244 is about 280.2134596754.

Adding to 22002244 its reverse (44220022), we get a palindrome (66222266).

It can be divided in two parts, 2200 and 2244, that added together give a palindrome (4444).

The spelling of 22002244 in words is "twenty-two million, two thousand, two hundred forty-four".